A fork of Rural Dictionary
A common slang word used for LSD in los angeles. The word refers to an earlier version of the synthesized LSD, Flex-25. When one trips on LSD they sometimes refer to it as flexin', because when on the drug one is flexing his or hers spiritual awareness.
"Hey man, I jus picked up a grip of flexo's" "I'm flexin' so hard the walls are starting to drip" "Wats doins, you got any those flexo's left?"